# NTSB investigations: Boeing 737-222: Airframe/component/system failure/malfunction

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CHI97FA030](https://openairdocs.org/ntsb/CHI97FA030.md): Boeing 737-222 · Grand Rapids, MI · Accident · Serious injuries · Field investigation · Final report · Nov 19, 1996 · N9038U · No damage
  > a passenger sustained a fractured ankle during an emergency evacuation for undetermined reasons.
- [NTSB FTW92IA184](https://openairdocs.org/ntsb/FTW92IA184.md): Boeing 737-222 · Oklahoma City, OK · Incident · No injuries · Incident investigation · Final report · Jul 15, 1992 · N12235 · No damage
  > Hydraulic fluid exhaustion due to the chafed 'a' system hydraulic line and the improper installation by unknown maintenance personnel of the 'b' system line.
- [NTSB DEN90IA189](https://openairdocs.org/ntsb/DEN90IA189.md): Boeing 737-222 · Denver, CO · Incident · Minor injuries · Incident investigation · Final report · Sep 19, 1990 · N9044U · No damage
  > The failure of the flight crew to follow emergency procedures/directives. Factors were the failure of the aircraft electrical system (relays) and the failure of the company to provide a jetway operator.
- [NTSB ATL90FA146](https://openairdocs.org/ntsb/ATL90FA146.md): Boeing 737-222 · Kinston, NC · Accident · Minor injuries · Field investigation · Final report · Jul 22, 1990 · N210US · Substantial damage
  > Failure of the fuel pump control shaft because of improper machining by the repair facility during maintenance modification of the pump and improper procedures during overhaul of the nose landing gear.
- [NTSB SEA84IA168](https://openairdocs.org/ntsb/SEA84IA168.md): Boeing B-737-222 · Portland, OR · Incident · No injuries · Incident investigation · Final report · Jul 9, 1984 · N9015U · No damage
  > After takeoff, the acft was climbing thru about 4000 ft when the APU fire warning light illuminated. The flt crew discharged the fire extinguishing units & requested an emergency landing. A teardown of the APU revealed evidence that a hard object was injested…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1384473')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1384473&occurrence=130

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.